[TASK] Cleanup cshmanual

Change-Id: I6dfa4b07731c1a72d8893a20db3b355731ec0167
Resolves: #45113
Releases: 6.1
Reviewed-on: https://review.typo3.org/17981
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
[BUGFIX] Misspelling in scheduler documentation

Corrects certain words / phrases from the documentation manual.

Fixes: #33936
Releases: 6.1, 6.0
Change-Id: I89ad923280cd1df6d126884e88987abaa9d5f7df
Reviewed-on: https://review.typo3.org/17950
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn